Finding the Fourth Proportional to 293,645.40, 441,389.70 and 288,115.80
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Solution
The fourth proportional to 293,645.40, 441,389.70 and 288,115.80 is: 433,077.95
Step by Step Solution
- Step 1: Write the proportion equation
293,645.40 : 441,389.70 = 288,115.80 : x - Step 2: Convert to fraction form
293,645.40/441,389.70 = 288,115.80/x - Step 3: Cross multiply
293,645.40x = 441,389.70 × 288,115.80 - Step 4: Simplify right side
293,645.40x = 127,171,346,527.26 - Step 5: Solve for x
x = 127,171,346,527.26/293,645.40 - Step 6: Final answer
x = 433,077.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.